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[Detection and quantification of left-to-right intracardiac shunts by angiocardioscintigraphy]. 1982

F Zannad, and M H Laurens, and A M Worms, and F Marçon, and J Robert, and C Pernot

The ratio of pulmonary/systemic output (QP/QS) was measured by angioscintigraphy in 70 patients from 1 to 22 years of age (average 10 years) admitted to the Department of pediatric cardiology for a left-to-right shunt. Fifty nine of these patients underwent cardiac cathetarisation and QP/QS determination by oxymetry. The correlation between the values of QP/QS calculated by the two techniques was R = 0,83 (p less than 0,001: n = 59); in 28 cases of atrial septal defect R = 0,85; in 20 cases of ventricular septal defect, R = 0,75; in 11 cases of other left-to-right shunts, R = 0,79. No significant shunt was detected in 16 patients by oxymetry and the QP/QS ratio on angioscintigraphy was less than or equal to 1,2 except in 3 cases. In 7 cases of isolated pulmonary stenosis and 4 cases of operated septal defects no shunt could be detected by isotopic investigation. We conclude that angioscintigraphy is a reliable non-invasive method of detection and assessment of left-to-right shunts. In some cases it may avoid the necessity of cardiac catheterisation. The advantages, limitations and applications of this method are discussed.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D010101 Oxygen Consumption The rate at which oxygen is used by a tissue; microliters of oxygen STPD used per milligram of tissue per hour; the rate at which oxygen enters the blood from alveolar gas, equal in the steady state to the consumption of oxygen by tissue metabolism throughout the body. (Stedman, 25th ed, p346) Consumption, Oxygen,Consumptions, Oxygen,Oxygen Consumptions
D011652 Pulmonary Circulation The circulation of the BLOOD through the LUNGS. Pulmonary Blood Flow,Respiratory Circulation,Circulation, Pulmonary,Circulation, Respiratory,Blood Flow, Pulmonary,Flow, Pulmonary Blood,Pulmonary Blood Flows
D011877 Radionuclide Imaging The production of an image obtained by cameras that detect the radioactive emissions of an injected radionuclide as it has distributed differentially throughout tissues in the body. The image obtained from a moving detector is called a scan, while the image obtained from a stationary camera device is called a scintiphotograph. Gamma Camera Imaging,Radioisotope Scanning,Scanning, Radioisotope,Scintigraphy,Scintiphotography,Imaging, Gamma Camera,Imaging, Radionuclide
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D006321 Heart The hollow, muscular organ that maintains the circulation of the blood. Hearts
D006328 Cardiac Catheterization Procedures in which placement of CARDIAC CATHETERS is performed for therapeutic or diagnostic procedures. Catheterization, Cardiac,Catheterization, Heart,Heart Catheterization,Cardiac Catheterizations,Catheterizations, Cardiac,Catheterizations, Heart,Heart Catheterizations
D006343 Heart Septal Defects Abnormalities in any part of the HEART SEPTUM resulting in abnormal communication between the left and the right chambers of the heart. The abnormal blood flow inside the heart may be caused by defects in the ATRIAL SEPTUM, the VENTRICULAR SEPTUM, or both. Cardiac Septal Defect,Heart Septal Defect,Cardiac Septal Defects,Defect, Cardiac Septal,Defect, Heart Septal,Defects, Cardiac Septal,Defects, Heart Septal,Septal Defect, Cardiac,Septal Defect, Heart,Septal Defects, Cardiac,Septal Defects, Heart
D006439 Hemodynamics The movement and the forces involved in the movement of the blood through the CARDIOVASCULAR SYSTEM. Hemodynamic

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